[time-nuts] Tracking NTP displacement and correlation between two clients.

John Ackermann N8UR jra at febo.com
Thu Oct 4 10:58:30 EDT 2012


Bob, check http://www.febo.com/pages/plots/ntp and see if the graphs 
there would provide the info you need.  They're based on using one NTP 
server to monitor the offset of a number of other services and plotting 
the results over time.  If so, I'm happy to make the (*nix-based) 
scripts available.

John
----

On 10/4/2012 10:44 AM, bownes wrote:
>
> It had to happen eventually. Time Nut interest overlapped with $DAY_JOB.
>
> Due to reasons I really can't go into, a systems user is concerned with the displacement of two servers from the same pair of stratum 2 NTP servers.
>
> I'm convinced that it really isn an issue as long as the two systems in question remain within a few 10's of ms. However, I have no off the shelf method of collecting and correlating the data. Before I go out and invent the wheel, I thought I would check and see if anyone has done such a thing and saved the scripts and whatnot.
>
>
> Thanks!
> Bob
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